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Finding the Fourth Proportional to 441,641.34, 662,472.90 and 161,158.50

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Solution

The fourth proportional to 441,641.34, 662,472.90 and 161,158.50 is: 241,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,641.34 : 662,472.90 = 161,158.50 : x
  2. Step 2: Convert to fraction form
    441,641.34/662,472.90 = 161,158.50/x
  3. Step 3: Cross multiply
    441,641.34x = 662,472.90 × 161,158.50
  4. Step 4: Simplify right side
    441,641.34x = 106,763,138,854.65
  5. Step 5: Solve for x
    x = 106,763,138,854.65/441,641.34
  6. Step 6: Final answer
    x = 241,741.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.